/Engine/Source/Editor/PropertyEditor/Public/PropertyEditorModule.h
Unregisters a custom detail layout for a property type
virtual void UnregisterCustomPropertyTypeLayout ( [FName](API\Runtime\Core\UObject\FName) PropertyTypeName, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IPropertyTypeIdentifier](API\Editor\PropertyEditor\IPropertyTypeIdentifier) > InIdentifier )